J4 ›› 2009, Vol. 47 ›› Issue (05): 859-865.
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HAN Yu-Zhu, GAO Wen-Jie
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Abstract:
Local existence, global existence and nonexistence of c lassical solutions for a degenerate and strongly coupled quasilinear parabolic s ystem were studied. Regularization method and a prior estimate skills were used to obtain the local existence of classical solutions. Moreover, sufficient condi tions were given for the existence and nonexistence of global classical solution s. The results show that the problem admits a global solution when the intrasp ecific competitions are strong; whereas there exists no global solution when the species are strongly mutualistic.
Key words: degenerate parabolic system, strongly coupled, global existence, global nonexistence
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HAN Yu-Zhu, GAO Wen-Jie. Global Existence and Nonexistence for a Degenerate andStrongly Coupled Quasilinear Parabolic System[J].J4, 2009, 47(05): 859-865.
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